1. I hope that you have been busy helping your parents with the housework.
I expect that you are involved in helping your parents with the housework.
2. Why don't we worry for the swans?
Because they have no difficulty taking care of themselves.
5. How long did he take to go there by bus?
6. He took five years to visit me in Yangzhou其實(shí)這里的“天鵝”是人名。。。。。。而且，還少幾句： 2. 對(duì)我來(lái)說(shuō)想說(shuō)忘記你不容易。3. 每天讀英語(yǔ)對(duì)我們有好處。2. Why don't we worry for SWAN?Because she has no difficulty in taking care of herself.2. It's not easy for me to say I forget you.3. Reading English everyday is good for us.